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OPG Completes Darlington Nuclear Station Refurbishment Project Under Budget and Ahead of Schedule

LCG, February 2, 2026--Ontario Power Generation (OPG) announced today that construction on the four-unit Darlington Refurbishment project is now complete. Station staff are completing final testing, and the last unit is expected to return to service in the coming weeks. OPG stated that the overall project is currently four months ahead of schedule and $150 million under budget.

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NERC's New Annual Assessment Shows Rapid Demand Growth Increasing Resource Adequacy Risks Across North America

LCG, January 30, 2026--The North American Electric Reliability Corporation (NERC) yesterday issued its 2025 Long-Term Reliability Assessment (LTRA) and infographic that spotlight intensifying resource adequacy risks throughout the North American bulk power system (BPS) over the next 10 years.

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Industry News

Byron 2 Nuke Refuels in 16 Days, Limerick 2 in 17

LCG, April 24, 2001No one, it seems, knows how to operate nuclear power plants like former submarine commanders. Operators of two Exelon Corp. reactors turned in stunning refueling outages and returned to service over the weekend, the company said yesterday.

The 1,200 megawatt Byron Unit 2 pressurized water reactor near Rockford, Ill. returned to service on Sunday after completing a refueling outage in just 15 days, 18 hours, the quickest such outage in the history of U.S. commercial nuclear energy. During those 16 days, workers also found time to complete modifications increasing the reactor's output by 5 percent, in addition to performing thousands of maintenance and inspection functions.

The 1,200 megawatt Limerick Unit 2 boiling water reactor northwest of Philadelphia was back on line late Friday after completing a refueling outage of its own in just 16 days, 8 hours. That was the fastest-ever refueling for a boiling water reactor in the U.S.

"Exelon Nuclear intends to do its part to keep the lights on this summer," said Oliver D. KingsleyJr., president and chief nuclear officer of Exelon Nuclear. "These nuclear plants are particularlyreliable in the kinds of weather extremes that we sometimes see in the Midwest and mid-Atlanticregions in the summer."

Kingsley, who came to Exelon in the merger between Peco Energy Co. and Unicom Corp., had taken over nuclear operations for Unicom's Commonwealth Edison Co. subsidiary in 1997, when that utility's nuclear program was in a shambles. He quickly turned it around, and ComEd began generating more electricity than ever, with two fewer reactors.

Kingsley is a former U.S. Navy submarine commander. So is his boss, Exelon co-chief executive Corbin A. McNeill Jr., who had shaped up the nuclear program with Peco.

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